Lonchodryinus, Kieffer, 1905

Olmi, Massimo, Vasilenko, Dmitry V., Capradossi, Leonardo, Perkovsky, Evgeny E. & Guglielmino, Adalgisa, 2021, A new species of Lonchodryinus (Hymenoptera, Dryinidae) from Upper Eocene Baltic amber, Zootaxa 5020 (2), pp. 328-336 : 333

Key to the species of fossil Lonchodryinus (♀)

1 Head with OPL more than 3 × as long as POL; 2r-rs&Rs vein with distal part (Rs) more than twice as long as proximal part (2r-rs) and with curve more pronounced ( Fig. 3 )................................... L. balticus Olmi & Guglielmino

– Head with OPL less than 2 × as long as POL ( Fig. 1 ); 2r-rs&Rs vein with distal part (Rs) less than twice as long as proximal part (2r-rs) and with curve less pronounced ( Fig. 1 )............................................ L. groehni sp. nov.

Figures

FIGURES 1–6. 1, 2, Lonchodryinus groehni, ♀ holotype. 1, dorsal view; 2, ventral view. 3, Lonchodryinus balticus, ♀ holo- type, dorso-lateral view. 4–6, Lonchodryinus ruficornis, ♀ from Sweden, Trosa. 4, head in dorsal view; 5, mesoscutum (arrow indicates a notaulus); 6, habitus in dorsal view. Scale bar 1.4 mm for 1 and 2, 1.6 mm for 3, 0.6 mm for 4, 0.2 mm for 5, 2.2 mm for 6.